In Vim it's often relatively easy to fix these kind of issues and tweak things to your liking; e.g. "syn clear cStructure" to clear just the highlight for struc

In Vim it's often relatively easy to fix these kind of issues and tweak things to your liking; e.g. "syn clear cStructure" to clear just the highlight for struct, union, and enum keywords in C (and not anything else), "syn clear javaScopeDecl" to disable the scope declarations in Java, etc. Details differ per language; but most syntax files declare fine-grained syntax rule which are then linked to "Keyword" highlight or whatnot later, but there's nothing preventing you from clearing the fine-grained syntax rules (or just defining your own).